205233070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{418843}}^1$

素因数の和:418864

約数の個数: 24

約数和(自身を含む): 429733944

約数和(自身を除く): 224500874

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 418843, 837686, 2094215, 2931901, 4188430, 5863802, 14659505, 20523307, 29319010, 41046614, 102616535, 205233070]

約数ペア:

[(1, 205233070), (2, 102616535), (5, 41046614), (7, 29319010), (10, 20523307), (14, 14659505), (35, 5863802), (49, 4188430), (70, 2931901), (98, 2094215), (245, 837686), (490, 418843)]